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Ad hoc网络基于公平的带宽分配机制研究 被引量：1

Fair Bandwidth Allocation Mechanism in Ad hoc Network
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摘要 Ad hoc网络是一种没有固定基础设施,由多个带有无线收发装置的移动终端组成的多跳临时性自治系统。它独特的个性决定了各数据流之间要竞争共享的有限带宽资源。因此,为了保证Ad hoc网络业务的服务质量,合理的带宽分配机制至关重要。介绍了无线Ad hoc网络的网络模型,对带宽分配机制的定义及约束条件进行描述分析,然后从公平的角度详细地分析了目前Ad hoc网络的带宽分配机制,并总结了各种分配机制的优缺点。 An ad hoc network consists of some wireless nodes without any infrastructure. Every node is willing to forward packets for other nodes. The dynamic nature of ad hoe networks means that the traffic flows may contend for the limited bandwidth resources. Hence, how to allocate the shared bandwidth among multi-flow is the most important issue to guaran- tee the quality of service and fairness. First, we introduce the network model, the definition of bandwidth allocation mecha- nisms and the constraints of network. Second, from the point of fairness, we classify current bandwidth allocation mecha- nism of ad hoc network into several categories. What＇s more, we summarize the advantages and disadvantages of each mech- anism.
作者 夏小霞 黄锐 粟根花 任行帆
机构地区 重庆邮电大学重庆市移动通信重点实验室
出处 《数字通信》 2014年第3期44-47,共4页 Digital Communications and Networks
基金 重庆市科学项目(CSTC2012jjA40044) 重庆市教委项目(Kjzh11206)
关键词 AD HOC网络 带宽分配 公平 ad hoc network, bandwidth allocation, fairness
分类号 TN929.5 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

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同被引文献16

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数字通信
2014年 第3期

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